Keyphrases
- classification accuracy
- text classification
- automatic categorization
- image database
- preprocessing
- pattern recognition
- feature extraction
- decision trees
- automatic classification
- text retrieval
- machine learning
- training samples
- classification algorithm
- information retrieval
- support vector
- efficient retrieval
- classification process
- classification scheme
- retrieval method
- multimedia databases
- classification method
- decision rules
- machine learning algorithms
- supervised learning
- relevance feedback
- support vector machine
- image retrieval
- training set
- benchmark datasets
- image classification
- feature selection
- classification rate
- classification systems
- feature vectors